MIT Kerberos 'src/kdc/do_tgs_req.c' Ticket Renewal Double Free Memory Corruption Vulnerability

BID:39599

Info

MIT Kerberos 'src/kdc/do_tgs_req.c' Ticket Renewal Double Free Memory Corruption Vulnerability

Bugtraq ID: 39599
Class: Design Error
CVE: CVE-2010-1320
Remote: Yes
Local: No
Published: Apr 20 2010 12:00AM
Updated: Apr 13 2015 09:14PM
Credit: Joel Johnson
Vulnerable: Ubuntu Ubuntu Linux 9.10 sparc
Ubuntu Ubuntu Linux 9.10 powerpc
Ubuntu Ubuntu Linux 9.10 lpia
Ubuntu Ubuntu Linux 9.10 i386
Ubuntu Ubuntu Linux 9.10 amd64
Ubuntu Ubuntu Linux 9.04 sparc
Ubuntu Ubuntu Linux 9.04 powerpc
Ubuntu Ubuntu Linux 9.04 lpia
Ubuntu Ubuntu Linux 9.04 i386
Ubuntu Ubuntu Linux 9.04 amd64
Ubuntu Ubuntu Linux 8.04 LTS sparc
Ubuntu Ubuntu Linux 8.04 LTS powerpc
Ubuntu Ubuntu Linux 8.04 LTS lpia
Ubuntu Ubuntu Linux 8.04 LTS i386
Ubuntu Ubuntu Linux 8.04 LTS amd64
Ubuntu Ubuntu Linux 6.06 LTS sparc
Ubuntu Ubuntu Linux 6.06 LTS powerpc
Ubuntu Ubuntu Linux 6.06 LTS i386
Ubuntu Ubuntu Linux 6.06 LTS amd64
S.u.S.E. openSUSE 11.2
MIT Kerberos 5 1.8.1
MIT Kerberos 5 1.7.2
MIT Kerberos 5 1.7.1
MIT Kerberos 5 1.8
MIT Kerberos 5 1.7
Gentoo Linux
Apple Mac OS X Server 10.6.3
Apple Mac OS X Server 10.6.2
Apple Mac OS X Server 10.6.1
Apple Mac OS X Server 10.6
Apple Mac OS X 10.6.3
Apple Mac OS X 10.6.2
Apple Mac OS X 10.6.1
Apple Mac OS X 10.6
Not Vulnerable: MIT Kerberos 5 1.8.2
Apple Mac OS X Server 10.6.4
Apple Mac OS X 10.6.4

Discussion

MIT Kerberos 'src/kdc/do_tgs_req.c' Ticket Renewal Double Free Memory Corruption Vulnerability

MIT Kerberos is prone to a remote memory-corruption vulnerability.

An authenticated attacker can exploit this issue by sending specially crafted ticket-renewal requests to a vulnerable computer.

Successfully exploiting this issue can allow the attacker to execute arbitrary code with superuser privileges, completely compromising the affected computer. Failed exploit attempts will result in a denial-of-service condition.

Exploit / POC

MIT Kerberos 'src/kdc/do_tgs_req.c' Ticket Renewal Double Free Memory Corruption Vulnerability

The following proof-of-concept command is available:

% kinit -R

We currently are unaware of any exploits that result in code-execution.

Solution / Fix

MIT Kerberos 'src/kdc/do_tgs_req.c' Ticket Renewal Double Free Memory Corruption Vulnerability

Solution:
Updates are available. Please see the references for more information.


Ubuntu Ubuntu Linux 9.10 sparc

Ubuntu Ubuntu Linux 8.04 LTS powerpc

Ubuntu Ubuntu Linux 8.04 LTS sparc

Apple Mac OS X Server 10.6

Ubuntu Ubuntu Linux 9.10 powerpc

Ubuntu Ubuntu Linux 6.06 LTS sparc

MIT Kerberos 5 1.7

Ubuntu Ubuntu Linux 6.06 LTS powerpc

Ubuntu Ubuntu Linux 8.04 LTS amd64

MIT Kerberos 5 1.8

Ubuntu Ubuntu Linux 9.10 lpia

Ubuntu Ubuntu Linux 9.04 sparc

Ubuntu Ubuntu Linux 9.04 powerpc

Ubuntu Ubuntu Linux 8.04 LTS lpia

Ubuntu Ubuntu Linux 6.06 LTS i386

Ubuntu Ubuntu Linux 6.06 LTS amd64

Ubuntu Ubuntu Linux 9.04 i386

Ubuntu Ubuntu Linux 9.04 lpia

Ubuntu Ubuntu Linux 9.10 i386

Ubuntu Ubuntu Linux 9.10 amd64

Apple Mac OS X 10.6

Ubuntu Ubuntu Linux 8.04 LTS i386

Ubuntu Ubuntu Linux 9.04 amd64

MIT Kerberos 5 1.7.1

MIT Kerberos 5 1.7.2

MIT Kerberos 5 1.8.1

Apple Mac OS X 10.6.1

Apple Mac OS X Server 10.6.1

Apple Mac OS X Server 10.6.2

Apple Mac OS X 10.6.2

Apple Mac OS X 10.6.3

Apple Mac OS X Server 10.6.3

References

MIT Kerberos 'src/kdc/do_tgs_req.c' Ticket Renewal Double Free Memory Corruption Vulnerability

References:
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